L. Carrera - M. Vasquez, Panapo

$7.47

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Marcos Fidel Barrera, Sypal

$13.56

M. Martinez Lurdez, Magrawhill

$30.00

Margarita A. de Sanchez, Trillas

$39.46

Mirian Balestrini Acuña, Servicio Editorial

$14.86

Melissa Rosales, Diana

$12.00

Magaly Torres de Cardenas, Ucv

$10.52

Lasty Balseiro Almario, Trillas

$33.39

Fidias G. Arias, Episteme

$9.64

Aura Bavaresco de Prieto, Luz

$8.40

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

Piergiorgio Corbetta, Mcgraw-hill

$45.60